TW414853B - Method for charging an arc furnace fines - Google Patents

Method for charging an arc furnace fines Download PDF

Info

Publication number
TW414853B
TW414853B TW088103222A TW88103222A TW414853B TW 414853 B TW414853 B TW 414853B TW 088103222 A TW088103222 A TW 088103222A TW 88103222 A TW88103222 A TW 88103222A TW 414853 B TW414853 B TW 414853B
Authority
TW
Taiwan
Prior art keywords
patent application
scope
fines
flow rate
item
Prior art date
Application number
TW088103222A
Other languages
English (en)
Chinese (zh)
Inventor
Jean-Luc Roth
Leo Ulveling
Carlo Heintz
Original Assignee
Wurth Paul Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wurth Paul Sa filed Critical Wurth Paul Sa
Application granted granted Critical
Publication of TW414853B publication Critical patent/TW414853B/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0026—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide in the flame of a burner or a hot gas stream
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C21B13/143—Injection of partially reduced ore into a molten bath
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4606—Lances or injectors
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
TW088103222A 1998-12-16 1999-03-03 Method for charging an arc furnace fines TW414853B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU90327A LU90327B1 (fr) 1998-12-16 1998-12-16 Proc-d- pour l'enfournement de fines dans un four - arc

Publications (1)

Publication Number Publication Date
TW414853B true TW414853B (en) 2000-12-11

Family

ID=19731788

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088103222A TW414853B (en) 1998-12-16 1999-03-03 Method for charging an arc furnace fines

Country Status (4)

Country Link
AU (1) AU3275600A (fr)
LU (1) LU90327B1 (fr)
TW (1) TW414853B (fr)
WO (1) WO2000036161A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10333764B3 (de) * 2003-07-23 2004-12-30 Outokumpu Oy Verfahren zum Chargieren von feinkörnigen Metallen in einen Elektrolichtbogenofen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3629055A1 (de) * 1986-08-27 1988-03-03 Kloeckner Cra Tech Verfahren zum gesteigerten energieeinbringen in elektrolichtbogenoefen
DE3931392A1 (de) * 1989-09-20 1991-03-28 Fuchs Systemtechnik Gmbh Verfahren und vorrichtung zum zumindest zeitweise gleichzeitigen beaufschlagen einer metallschmelze mit einem gas und feinkoernigen feststoffen
AT400245B (de) * 1993-12-10 1995-11-27 Voest Alpine Ind Anlagen Verfahren und anlage zum herstellen einer eisenschmelze
US5714113A (en) * 1994-08-29 1998-02-03 American Combustion, Inc. Apparatus for electric steelmaking
ATA208795A (de) * 1995-12-21 1999-01-15 Voest Alpine Ind Anlagen Verfahren zum verarbeiten einer schredder-leicht-fraktion in einer schmelze und einrichtung zur durchführung des verfahrens
DE19744151C5 (de) * 1997-10-07 2004-08-26 Outokumpu Oyj Verfahren zum Schmelzen von feinkörnigem, direkt reduziertem Eisen in einem Elektrolichtbogenofen

Also Published As

Publication number Publication date
WO2000036161A2 (fr) 2000-06-22
AU3275600A (en) 2000-07-03
WO2000036161A3 (fr) 2000-08-31
LU90327B1 (fr) 2000-07-18

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